1. a full size PDF made
to print on one sheet. If you have a Sign shop in house or nearby they
should be able to print it. I just called Staples and in about an hour
they can print up to a 24" x 36" color sheet for $25 from this full size pdf.
Here is example of full size JFK2. a Group of PDF files that print on a letter size paper and
that you can cut the sheets up on provided lines and past together to get
full size picture. Click here to get an example of one of these
JFK Group

Call us an we will send you your file as a pdf... about 1o
minutes to cut and past up see actual samples below

3. a .tiff or .jpg pure image file may work also
see JFK at 72DPI example here.